/*
 *  Copyright 2009 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.mybatis.generator.codegen.mybatis3.javamapper.elements;

import java.util.Set;
import java.util.TreeSet;

import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
import org.mybatis.generator.api.dom.java.Interface;
import org.mybatis.generator.api.dom.java.JavaVisibility;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.api.dom.java.Parameter;

/**
 * 
 * @author Jeff Butler
 * 
 */
public class DeleteByExampleMethodGenerator extends
		AbstractJavaMapperMethodGenerator {

	public DeleteByExampleMethodGenerator() {
		super();
	}

	@Override
	public void addInterfaceElements(Interface interfaze) {
		Set<FullyQualifiedJavaType> importedTypes = new TreeSet<FullyQualifiedJavaType>();
		FullyQualifiedJavaType type = new FullyQualifiedJavaType(
				introspectedTable.getExampleType());
		importedTypes.add(type);

		Method method = new Method();
		method.setVisibility(JavaVisibility.PUBLIC);
		method.setReturnType(FullyQualifiedJavaType.getIntInstance());
		method.setReturnRemark("返回删除结果");
		method.addException(FullyQualifiedJavaType
				.getNewRuntimeExceptionInstance());
		method.setName(introspectedTable.getDeleteByExampleStatementId());

		FullyQualifiedJavaType parameterType = introspectedTable.getRules()
				.calculateAllFieldsClass();
		String packageName = parameterType.getFullyQualifiedName();
		if (packageName != null && packageName.lastIndexOf(".po.") != -1) {
			packageName = packageName.replace(".po.", ".qo.");
		}
		packageName = util.StringUtils.replaceLast(packageName,"Po","Qo");

		FullyQualifiedJavaType qoParameterType = new FullyQualifiedJavaType(
				packageName);
		importedTypes.add(qoParameterType);

		Parameter parameter = new Parameter(qoParameterType, "qo",
				"@Param(\"qo\")");
		parameter.setRemark("条件查询对象");
		method.addParameter(parameter);

		context.getCommentGenerator().addGeneralMethodComment(method,
				introspectedTable, "根据条件删除记录");

		addMapperAnnotations(interfaze, method);

		if (context.getPlugins().clientDeleteByExampleMethodGenerated(method,
				interfaze, introspectedTable)) {
			interfaze.addImportedTypes(importedTypes);
			interfaze.addMethod(method);
		}
	}

	public void addMapperAnnotations(Interface interfaze, Method method) {
		return;
	}
}
